Abstract
Squamous cell carcinoma (SCC) is the most frequent malignant tumor in the head and neck region (HNSCC). Besides HNSCC described in the literature as conventional (males, smokers and alcoholics, aged above the fifth decade of life), 4 other emerging groups in young and elderly patients are reported: (1) patients aged less than or equal to 45 years, males, oral cavity tumors, smokers and al…